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008 170110s2012 th uu|m rtt 0| a1eng d
035 _a.b12177702
099 9 _aAIT Diss. no.IM-12-01
100 0 _aBurasakorn Yoosooka
245 1 0 _aAutomatic adaptive retrieval and composition of learning objects based on multidimensional learner characteristics
260 _aPathum Thani, Thailand :
_bAsian Institute of Technology,
_c2012
300 _a1 online resource (108 p.) :
_bill.
490 1 _aDissertation ;
_vno. IM-12-01
500 _aA dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Information Management
502 _aThesis (Ph.D.) - Asian Institute of Technology, 2012
520 _aThis dissertation aims to propose a new approachto automatic retrieval and composition of Learning Objects (LOs) in an Adaptive Educational Hypermedia System(AEHS) using multidimensional learner characteristics to enhance learning effectiveness. The approach focuses on adaptive techniques in four components of AEHS: Learning Paths, LO Retrieval, LO Sequencing, and Examination Difficulty Levels. This approach has been designed to enable the adaptation of rules which are represented by XML Declarative Description(XDD) to become generic. Hence, the application to various domains is possible. The approach dynamically selects, sequences, and composes LOs into an individual learning package based on the use of domain ontology, learner profiles, and LO metadata. The ontologies are represented by Web Ontology Language (OWL). The Sharable Content Object Reference Model (SCORM)is employed to represent LO metadata and learning packages in order to support LO sharing. TheIMS Learner Information Package Specification (IMS LIP)is used to represent learner profiles. Both standards are represented by means of Extensible Markup Language(XML). Thus, the information can be exchangeable and interoperable with other systems. Moreover, a new method to automatic retrieval of Learning Objects (LOs) from local or external LO repositories via Linked Open Data (LOD) principles is extended to the approach. This method dynamically selects the most appropriate LOs for an individual learning package in an adaptive e-Learning system based on the use of LO metadata, learner profiles, ontologies, and LOD principles. The method has beendesigned to interlink the domain ontology with external open knowledge in the LOD cloud. SPARQL endpoints for datasets in the LOD cloud are also provided for instructors and learners to discover their desired LOs. The commonly known vocabularies such as Dublin Core (DC), IEEE Learning Object Metadata (IEEE LOM), Web Ontology Language (OWL), and Resource Description Framework (RDF) are employed to represent metadata and to link it with external LO repositories as well as DBpedia, the central hub of the LOD cloud. By using these techniques, the LOs and external knowledge can be exchangeable, shareable, and interoperable, resulting in an enhanced access to better learning resources. Based on the proposed approach, a prototype system has been developed and evaluated. It has been discovered that the system has yielded positive effects in terms of the learners{u2019} satisfaction.
650 0 _aObject-oriented methods (Computer science)
650 0 _aObject-oriented databases
650 0 _aObject-oriented programming (Computer science)
650 0 _aAdaptive computing
700 0 _aVilas Wuwongse,
_eChairperson
700 0 _aTeerapat Sanguankotchakorn,
_eExamination Committee
700 1 _aHadikusumo, Bonaventura H. W.,
_eExamination Committee
710 2 _aRajamangala University of Technology Thanyaburi,
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tDissertation ;
_vno. IM-12-01
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B00638
907 _a.b12177702
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